Headgear assembly



FIG. 1 is a top, front and right side perspective view of a headgear assembly embodying the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Broken lines are used to illustrate portions that form no part of the claimed design. 

CLAIM The ornamental design for a headgear assembly, as shown and described. 